Lighter-than-air vehicle



FIG. 1 is a perspective view of the lighter-than-air vehicle;

FIG. 2 is a side view of the lighter-than-air-vehicle;

FIG. 3 is a top view of the lighter-than-air vehicle;

FIG. 4 is a bottom view of the lighter-than-air vehicle;

FIG. 5 is a front view of the lighter-than-air vehicle; and,

FIG. 6 is a rear view of the lighter-than-air vehicle. 

The ornamental design for lighter-than-air vehicle, as shown and described. 